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fix only openyurt crd conversion should be handled for upgrading cert #2013

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merged 1 commit into from
Apr 10, 2024
Merged

fix only openyurt crd conversion should be handled for upgrading cert #2013

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33 changes: 29 additions & 4 deletions pkg/yurtmanager/webhook/util/controller/webhook_controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import (
"bytes"
"context"
"fmt"
"strings"
"sync"
"time"

Expand All @@ -30,6 +31,8 @@ import (
apiextensionsinformers "k8s.io/apiextensions-apiserver/pkg/client/informers/externalversions"
apiextensionslister "k8s.io/apiextensions-apiserver/pkg/client/listers/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
Expand All @@ -42,6 +45,7 @@ import (
"k8s.io/klog/v2"

"github.com/openyurtio/openyurt/cmd/yurt-manager/app/config"
"github.com/openyurtio/openyurt/pkg/apis"
webhookutil "github.com/openyurtio/openyurt/pkg/yurtmanager/webhook/util"
"github.com/openyurtio/openyurt/pkg/yurtmanager/webhook/util/configuration"
"github.com/openyurtio/openyurt/pkg/yurtmanager/webhook/util/generator"
Expand All @@ -55,8 +59,14 @@ const (
var (
uninit = make(chan struct{})
onceInit = sync.Once{}

yurtScheme = runtime.NewScheme()
)

func init() {
utilruntime.Must(apis.AddToScheme(yurtScheme))
}

func Inited() chan struct{} {
return uninit
}
Expand Down Expand Up @@ -100,14 +110,14 @@ func New(handlers map[string]struct{}, cc *config.CompletedConfig, restCfg *rest
crdInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
crd := obj.(*apiextensionsv1.CustomResourceDefinition)
if crdHasWebhookConversion(crd) {
if yurtCRDHasWebhookConversion(crd) {
klog.Infof("CRD %s with conversion added", crd.Name)
c.queue.Add(crd.Name)
}
},
UpdateFunc: func(old, new interface{}) {
crd := new.(*apiextensionsv1.CustomResourceDefinition)
if crdHasWebhookConversion(crd) {
if yurtCRDHasWebhookConversion(crd) {
klog.Infof("CRD %s with conversion updated", crd.Name)
c.queue.Add(crd.Name)
}
Expand Down Expand Up @@ -262,7 +272,12 @@ func (c *Controller) sync(key string) error {
return nil
}

func crdHasWebhookConversion(crd *apiextensionsv1.CustomResourceDefinition) bool {
func yurtCRDHasWebhookConversion(crd *apiextensionsv1.CustomResourceDefinition) bool {
// it is an openyurt crd
if !strings.Contains(crd.Spec.Group, "openyurt.io") {
return false
}

conversion := crd.Spec.Conversion
if conversion == nil {
return false
Expand All @@ -276,12 +291,22 @@ func crdHasWebhookConversion(crd *apiextensionsv1.CustomResourceDefinition) bool
}

func ensureCRDConversionCA(client apiextensionsclientset.Interface, crd *apiextensionsv1.CustomResourceDefinition, newCABundle []byte) error {
if crd.Spec.Conversion == nil ||
if len(crd.Spec.Versions) == 0 ||
crd.Spec.Conversion == nil ||
crd.Spec.Conversion.Strategy != apiextensionsv1.WebhookConverter ||
crd.Spec.Conversion.Webhook == nil ||
crd.Spec.Conversion.Webhook.ClientConfig == nil {
return nil
}

if !yurtScheme.Recognizes(schema.GroupVersionKind{
Group: crd.Spec.Group,
Version: crd.Spec.Versions[0].Name,
Kind: crd.Spec.Names.Kind,
}) {
return nil
}

if bytes.Equal(crd.Spec.Conversion.Webhook.ClientConfig.CABundle, newCABundle) {
return nil
}
Expand Down
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